<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right" style="font-size: 16px">
      <el-breadcrumb-item :to="{ path: '/' }">
        <i class="el-icon-s-promotion">后台管理</i>
      </el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>新增SPU</el-breadcrumb-item>
      <el-breadcrumb-item>第1步：选择类别</el-breadcrumb-item>
    </el-breadcrumb>
    <el-divider></el-divider>
    <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
      <el-form-item label="商品类别" prop="categoryId">
        <el-input v-model="ruleForm.categoryId" placeholder="请输入商品类别的ID"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">下一步</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
//这里可以导入其他文件（比如：组件，工具 js，第三方插件 js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';

export default {
  //import 引入的组件需要注入到对象中才能使用
  components: {},
  props: {},
  data() {
    //这里存放数据
    return {
      ruleForm: {
        categoryId: "",
        categoryName: "",
      },
      rules: {
        categoryId: [{ required: true, message: "请输入商品类别的ID", trigger: "blur" }],
      },
    };
  },
  //计算属性 类似于 data 概念
  computed: {},
  //监控 data 中的数据变化
  watch: {},
  //方法集合
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          let url = "http://localhost:8088/categories/" + this.ruleForm.categoryId;
          console.log("url = " + url);
          this.axios
            .create({
              headers: {
                Authorization: localStorage.getItem("jwt"),
              },
            })
            .get(url)
            .then((response) => {
              console.log(response);
              let responseBody = response.data;
              if (responseBody.state == 20000) {
                let category = responseBody.data;
                if (category.isParent == 1) {
                  this.$message.error("错误：选择的类别必须不包含子级类别");
                } else {
                  this.ruleForm.categoryName = category.name;
                  let formData = JSON.stringify(this.ruleForm);
                  localStorage.setItem("localRuleForm", formData);
                  console.log(localStorage.localRuleForm);
                  this.$router.push("add-new-2");
                }
              } else {
                this.$message.error(responseBody.message);
              }
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    },
  },
  //生命周期 - 创建完成（可以访问当前 this 实例）
  created() {},
  //生命周期 - 挂载完成（可以访问 DOM 元素）
  mounted() {},
  beforeCreate() {}, //生命周期 - 创建之前
  beforeMount() {}, //生命周期 - 挂载之前
  beforeUpdate() {}, //生命周期 - 更新之前
  updated() {}, //生命周期 - 更新之后
  beforeDestroy() {}, //生命周期 - 销毁之前
  destroyed() {}, //生命周期 - 销毁完成
  activated() {}, //如果页面有 keep-alive 缓存功能，这个函数会触发
};
</script>
<style scoped></style>
